JP2952104B2 - Attachment structure of fasteners for game board fixing on mechanical board of pachinko machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mechanism for a pachinko machine in which a fastener for fixing a game board can be attached in a one-touch manner to a mechanism plate rotatably mounted on the back of the game board without screwing. The present invention relates to a mounting structure of a game board fixing fastener on a board.

[0002]

2. Description of the Related Art Conventionally, this type of game board fixing fastener is
For example, as shown in FIG. 8, a screw insertion hole 101 is provided at a front end portion of the mounting base portion 100, and a protruding piece 102 is formed at a rear end portion thereof. Projection 10 having insertion hole 105
6 and the insertion groove 107 are provided, and the projecting piece 102 of the mounting base 100 is inserted into the insertion groove 107 to be locked.
The screw 108 is inserted into the screw hole 105 of the projection 106 from the screw insertion hole 101 and screwed and attached to the mechanism plate 103.

[0003]

As described above, the mounting structure of the conventional game board fixing fastener is troublesome and requires time and effort since at least one screw is required. In addition, since a plurality of fasteners for fixing the game board are mounted on a single pachinko machine, there is a disadvantage that the labor is cumulated and a lot of time is required, and the production cost is high. The present invention has been made in order to solve such problems of the prior art, and aims at one-touch operation without screwing a game board fixing fastener to a mechanism plate. It is an object of the present invention to provide a mounting structure for a game board fixing fastener on a mechanism plate of a pachinko machine to which the pachinko machine can be mounted.

[0004]

In order to achieve the above object, the present invention provides a game board detachably mounted on the back of a front frame, and a game board mounted on the back of the game board so as to be rotatable. A pachinko machine having a mechanism plate on which a fastening device for fixing a game board is mounted on a side edge, wherein an elongated mounting portion for mounting a mounting base portion of the fastening device is provided on the mechanism plate; A supporting portion having projections protruding at both ends in the length direction of the mounting portion to form an insertion gap between the supporting portion and the mounting portion, and at one end of a mounting base portion of the fastener, Is provided with a protruding piece having a concave hole on the upper surface and a locking piece having a substantially C-shaped opening groove at the other end, and the protruding piece of the mounting base portion is inserted into the insertion gap of one of the support portions. Insert the recess into the projection, insert the locking piece into the insertion gap of the other support, and engage the open groove with the projection. Is is thereby that to attach the fastener to the mechanism plate.

[0005] In addition, approximately C
A locking piece having a U-shaped opening groove is provided, and each locking piece is inserted into the insertion gap of the support portion, and each opening groove is elastically engaged with the projection, whereby the fastener is moved to the mechanism plate. You may make it attach to.

Further, projecting pieces having concave holes on the upper surface are provided at both ends of the mounting base of the fastener, and each of the projecting pieces is inserted into the insertion gap of the mounting part, and each concave hole is fitted to the projection.
Thereby, the fastener may be attached to the mechanism plate.

[0007]

The fastening device for fixing the game board inserts projecting pieces or locking pieces provided at both ends of the mounting base portion thereof into the insertion gap between the mounting portion and the support portion of the mechanism plate. By fitting the recessed hole of the piece or the opening groove of the locking piece to each of the projections on the lower surface of the support portion, it is possible to attach the mechanism plate with one touch without screwing it.

[0008]

An embodiment of the present invention will be described below with reference to the drawings. 1 is a rear view of a pachinko machine to which the present invention is applied, FIG. 2 is an exploded perspective view of a main part, FIG. 3 is an exploded perspective view of a fastener, and FIG. 4 is an attached state of a game board fixing fastener. It is sectional drawing of the principal part shown. In FIG. 1, the pachinko machine P has a front frame 2 attached to the front of a side frame 1 so as to be freely opened and closed. A game board 4 is removably mounted on the back of the front frame 2 via a game board mounting frame 3, and a winning ball collecting gutter 5, a prize ball tank 6, a prize ball payout mechanism is provided on the back of the game board 4. A mechanism plate 8 to which a back part such as 7 is attached is mounted to be freely opened and closed. Also, the mechanism plate 8
An elongated mounting portion 9 for mounting a fastener 10 for fixing the game board is provided at a left position and an upper position on the back surface of the game board.

The fastening device 10 for fixing the game board comprises three members: a mounting base 20 made of synthetic resin, a lever 30 and an engaging member 40. The mounting base 20 is formed to have a U-shaped cross section with support walls 21, 21 opposed to the left and right sides of the bottom corresponding to the mounting recess 9 of the mechanism plate 8.
By providing right-angled bent portions 22, 22 at the position near the tip of 1, the wide interval portion 21a and the narrow interval portion 21b are formed continuously. In the longitudinal direction of the two support walls 21 and 21 located in the wide space portion 21a, the guide long groove 2 is formed.
3 and 23 are provided in parallel with the bottom portion 24, and the narrow width portion 21b is provided.
In the longitudinal direction of the two support walls 21, 21, a guide long hole 2 into which a short axis 33, 33 of a lever 30 described later is fitted.
5, 25 are provided. The guide long holes 25 are provided in communication with the bent portions 22, and hook-shaped bearing holes 26 are provided at the ends thereof. Reference numeral 27 denotes a vertically long through hole formed at the bottom of the mounting base 20.

The lever 30 has a rib wall 31 formed on the lower surface thereof, and the rib wall 31 is provided with pins 32, 32 projecting to both sides. Further, the lateral width of the distal end portion of the lever 30 is formed to be substantially the same length as the narrow width portion 21b of the mounting base portion 20, and short axes 33, 33 protrude on both sides thereof. This short axis 3
The protruding length of the support walls 3 and 33 is selected so that the support walls 21 and 21 can be inserted into the guide slots 25 and 25 from the bent portions 22 and 22 of the support walls 21 and 21.

The engaging member 40 includes an engaging portion 4 having a circular cross section.
1 and a pair of left and right arm pieces 42, 42 rising from both side ends of the engaging portion 41. Then, guide pins 43 protruding laterally from both ends of the engaging portion 41.
And shaft holes 44, 44 are formed in the upper end portions of the left and right arm pieces 42, 42, and the shaft holes 44, 44 are
0, and the lever 3
It is pivotally connected to 0.

The fastener 10 for fixing the game board is assembled as follows. First, the engaging member 40 is pivotally connected to the lever 30, and the engaging portion 41 is
The guide pins 43, 43 are attached to the wide interval portion 2 of the mounting base 20.
The support walls 21 and 21 located at 1a are fitted into the long grooves 23 and 23, respectively. Next, the short axes 33, 33 at the tip of the lever 30
Are inserted from the bent portions 22 of the support walls 21 and 21 into the elongated guide holes 25 located at the narrow interval portion 21b, and the rear end of the lever 30 is pressed down. Thereby, the short axes 33, 3
3 moves in the guide elongated holes 25, 25 and the bearing holes 26, 2
6, the lever 30 is rotatably supported by the mounting base 20.

On the other hand, the mounting portion 9 of the mechanism plate 8 is fixed to the mounting frame 3 of the game board 3 in conformity with the through hole 27 formed in the bottom 24 of the mounting base 20 of the fastener 10 for fixing the game board. An opening 51 from which the tip of the fixed fixture 50 protrudes is formed. Further, a locking groove 52 is formed at the tip of the fixing tool 50,
The locking groove 52 is positioned so as to correspond to the engaging portion 41 of the engaging member 40 of the game board fixing fastener 10 when the mechanism plate 8 is brought into close contact with the back surface of the game board 4.

Accordingly, by rotating the lever 30 from the chain line position in FIG. 4 to the solid line position in FIG. 4 with the game board fixing fastener 10 attached to the attachment portion 9 of the mechanism plate 8, the engagement member 40 The engaging portion 41 moves downward along the long grooves 23, 23 and engages with the locking grooves 52 of the fixture 50. As a result, at the same time as the fixture 50 is pulled, the mechanism plate 8 is strongly pressed against the back surface of the game board 4 by the reaction, whereby the game board 4 can be firmly fixed. The configurations described so far are generally known.

In the present invention, as shown in FIG. 2, frame-shaped support portions 60a and 60b are integrally provided at both ends in the length direction of the mounting portion 9 provided on the mechanism plate 8.
The support portions 60a and 60b are opposed to the back surface of the mounting portion 9 and have a support piece 62 having projections 61a and 61b projecting from the inner surface thereof.
a, 62b, and insertion gaps 63a, 63b are formed between the support pieces 62a, 62b and the front surface of the mounting portion 9.

On the other hand, at the upper end of the mounting base 20 of the fastener 10, a projecting piece 65 having a concave hole 64 on the upper surface is provided by extending the bottom 24 of the mounting base 20 upward, and at the lower end. Are integrally provided with a locking piece 67 having a substantially C-shaped opening groove 66. The upper edge portion of the protruding piece 65 is formed in a circular shape substantially coinciding with the inner peripheral surface of the support portion 60a, and a guide groove 68 communicating with the concave hole 64 is formed on the upper surface thereof. . Further, the locking piece 67 is provided with an expansion elasticity. Reference numeral 79 denotes a knob provided on the side of the locking piece 67.

In the first embodiment described above, in order to attach the fastener 10 for fixing the game board to the mechanism plate 8, first, the mounting base 20 of the fastener 10 is attached to the attachment portion 9 of the mechanism plate 8. By carrying, the projecting piece 65 of the mounting base 20 is inserted into the insertion gap 63a from below the support part 60a. At this time, the projection 61a is inserted into the upper surface guide groove 68 of the protruding piece 65 while facing the projection 61a, and the projection 61a is fitted into the concave hole 64 as shown by the chain line in FIG. Next, the mounting base 20 is rotated about the protrusion 61a as a fulcrum, and the locking piece 67 is inserted into the insertion gap 63b from the side of the support part 60b, and the opening groove 66 faces the protrusion 61b and is strongly pressed.
As a result, as shown by the solid line in FIG.
7 is firmly locked to the support portion 60b, so that the fastener 10 can be attached to the mounting portion 9 of the mechanism plate 8 with one touch without screwing.

In the first embodiment, the mounting base 20
In the above description, the protruding piece 65 is provided at the upper end and the locking piece 67 is provided at the lower end. However, as shown in FIG. May be provided. In the case of the second embodiment, even if the locking state of the opening groove 66 of the locking piece 67 and the projection 61b is released when the pachinko machine is transported or installed, for example, the opening groove 6 is not removed.
Since the state in which the fastener 6 is hooked on the projection 61b is maintained, there is an advantage that the fastener 10 does not have to worry about falling off the mechanism plate 8.

FIG. 7 shows a third embodiment. The difference between the third embodiment and the first embodiment is mainly that of the fastener 1.
Since the shape of the mounting base 20a is 0, the same components as those in the first embodiment are denoted by the same reference numerals in FIG. Describing this, in the third embodiment, locking pieces 71 and 72 having substantially C-shaped opening grooves 69 and 70 are integrally provided at both upper and lower ends of the mounting base 20a. The opening groove 69 of the locking piece 71 at the upper end is formed to open laterally, and the opening groove 70 of the locking piece 72 at the lower end is formed to open downward. In order to mount the mounting base portion 20a of the third embodiment to the mounting portion 9 of the mechanism plate 8, first, the locking piece 72 at the lower end is used.
The insertion groove 63b is inserted into the opening groove 70 from above the support portion 60b.
Into the projection 61b, and then the locking piece 71 at the upper end.
Is inserted into the insertion gap 63a from the side of the support portion 60a, and the opening groove 69 faces the projection 61a and is strongly pressed. As a result, the opening groove 69 is fitted into the projection 61 a by the expanding elasticity of the locking piece 71, and the mounting base 20 a of the fastener 10 is screwed to the mounting part 9 of the mechanism plate 8 in the same manner as in the first embodiment. It can be mounted without touching and with one touch.

FIG. 8 shows a fourth embodiment.
The third embodiment differs from the first embodiment in the shape of the mounting base 20b of the fastener 10 as in the third embodiment.
In FIG. 8, the same components as those in the first embodiment are denoted by the same reference numerals. Describing this, in the fourth embodiment, projecting pieces 75, 76 having concave holes 73, 74 on the upper surface by extending the bottom 24 of the mounting base 20b are provided at the upper and lower ends of the mounting base 20b. A guide groove 77 communicating with the concave hole 73 is formed on the upper surface of the projecting piece 75 at the upper end in the lateral direction, and a guide groove 78 communicating with the concave hole 74 is formed on the upper surface of the projecting piece 76 at the lower end in the vertical direction. Is formed. In order to mount the mounting base portion 20b of the fourth embodiment to the mounting portion 9 of the mechanism plate 8, first, the projecting piece 76 at the lower end is inserted into the insertion gap 63b from above the support portion 60b. At this time, the guide groove 7
The projection 61b is inserted into the hole 8 so that the projection 61b faces the concave hole 74. Next, the projecting piece 75 at the upper end is inserted into the insertion gap 63a from the side of the support portion 60a, and is strongly pressed with the projection 61a facing the guide groove 77. As a result, the concave hole 73 fits into the projection 61a and the projecting piece 7
5 is firmly locked to the support portion 60a, and the first
As in the embodiment, the mounting base portion 20b of the fastener 10 can be mounted to the mounting portion 9 of the mechanism plate 8 with one touch without screwing.

[0021]

As described above, the mounting structure of the game board fixing fastener in the mechanical plate of the pachinko machine of the present invention is as follows.
The recesses of the protruding pieces or the opening grooves of the locking pieces provided at both ends of the bottom of the mounting base of the game board fixing fastener are engaged with the projections of the supporting parts provided at both ends of the mounting portion of the mechanism plate. Therefore, conventional screw tightening is not required at all, and the mounting operation can be simplified with one touch. In addition, since a plurality of such fasteners are mounted on one pachinko machine, the assembling operation of the pachinko machine can be simplified and the production cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a rear view of a pachinko machine to which the present invention is applied.

FIG. 2 is an exploded perspective view of a main part of the first embodiment.

FIG. 3 is an exploded perspective view of the fastener of the first embodiment.

FIG. 4 is a sectional view showing a mounting state of the first embodiment.

FIG. 5 is a plan view showing a mounting state of the first embodiment with a partial cross section.

FIG. 6 is an exploded perspective view of a main part of the second embodiment.

FIG. 7 is an exploded perspective view of a main part of the third embodiment.

FIG. 8 is an exploded perspective view of a main part of a fourth embodiment.

FIG. 9 is an explanatory diagram of a conventional technique.

[Explanation of symbols]

 2 Front frame 4 Game board 8 Mechanism plate 9 Mounting part 10 Game board fixing fasteners 20, 20a, 20b Mounting stand 24 Bottom part 60a, 60b Support part 61a, 61b Projection 63a, 63b Insertion gap 64, 73, 74 recess Hole 65, 75, 76 Projecting piece 66, 69, 70 Opening groove 67, 71, 72 Locking piece

Claims (3)

(57) [Claims] 1. A game board detachably mounted on the back of a front frame, a mechanism rotatably mounted on the back of the game board, and a fastener for fixing the game board mounted on a side edge thereof. A pachinko machine comprising a plate and an elongated mounting portion for mounting a mounting base of a fastener on the mechanism plate, and protruding protrusions at both ends in a length direction of the mounting portion. A supporting portion is provided to form an insertion gap between the supporting portion and the mounting portion. On the other hand, at one end of the mounting base portion of the fastener, a projecting piece having a concave hole on an upper surface is provided, and the other end is provided. Is provided with a locking piece having a substantially C-shaped opening groove. The protruding piece of the mounting base is inserted into the insertion gap of one of the support parts to fit the concave hole into the projection, and the other support part is provided with A locking piece is inserted into the insertion gap to engage the opening groove with the projection, thereby attaching the fastener to the mechanism plate. Mounting structure of the game board fixing fasteners in mechanism plate pachinko, characterized in that the. 2. A locking piece having a substantially C-shaped opening groove is provided at both ends of a mounting base of the fastener, and each locking piece is inserted into an insertion gap of the support portion, and each opening groove is provided. 2. The mounting structure for a game board fixing fastener in a mechanical plate of a pachinko machine according to claim 1, wherein said fastener is engaged with said projection by means of said projection. 3. A projecting piece having a recess on the upper surface is provided at each end of the mounting base of the fastener, and each projecting piece is inserted into an insertion gap of the support part, and each recess is fitted to a projection. 2. The mounting structure of a game board fixing fastener according to claim 1, wherein the fastener is attached to the mechanism plate.